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首页> 外文期刊>Journal of Applied Polymer Science >Preparation and tribological behavior of polytetrafluoroethylene/metal mesh composites with sandwich structure
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Preparation and tribological behavior of polytetrafluoroethylene/metal mesh composites with sandwich structure

机译：聚四氟乙烯/金属网复合材料与夹层结构的制备及摩擦学行为

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摘要

Polytetrafluoroethylene (PTFE) owns an excellent self-lubricating performance, but its wear rate is very high due to the large-scale spalling of the matrix in the friction. In this paper, A new kind of PTFE composites with sandwich structure was prepared by layer-press technology, whose middle layer is filled with metal mesh. The influence of the mesh structure and mesh density of middle metal layer on tribological properties of composites were researched in detail. The results revealled that the metal mesh located in the composites can efficiently prevent the large-scale spalling of PTFE, which induces the sample of PTFE/500# plain woven dutch metal mesh (PTFE-500#PWD) to have a lower wear rate (9 x 10(-5) mm(3)/Nm) and COF (0.106) under the fixed experimental condition. The prepared PTFE/metal mesh composites reveal excellent anti-friction and anti-wear performance, which can be used to fabricate a new kind of self-lubricating materials.
机译：聚四氟乙烯（PTFE）具有优良的自润滑性能，但由于摩擦过程中基体的大规模剥落，其磨损率非常高。本文采用层压工艺制备了一种新型的夹芯结构PTFE复合材料，中间层填充金属网。详细研究了中间金属层的网格结构和网格密度对复合材料摩擦学性能的影响。结果表明，复合材料中的金属网能够有效地防止PTFE的大规模剥落，从而使PTFE/500#平纹编织荷兰金属网（PTFE-500#PWD）样品在固定的实验条件下具有较低的磨损率（9 x 10（-5）mm（3）/Nm）和COF（0.106）。所制备的PTFE/金属网复合材料具有优异的摩擦磨损性能，可用于制备新型自润滑材料。

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